770505054309 has 6 divisors (see below), whose sum is σ = 1112951745126. Its totient is φ = 513670036200.

The previous prime is 770505054283. The next prime is 770505054311. The reversal of 770505054309 is 903450505077.

770505054309 is a `hidden beast` number, since 7 + 7 + 0 + 50 + 50 + 543 + 0 + 9 = 666.

770505054309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 760302034209 + 10203020100 = 871953^2 + 101010^2 .

It is not a de Polignac number, because 770505054309 - 2¹² = 770505050213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770505053309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42805836342 + ... + 42805836359.

It is an arithmetic number, because the mean of its divisors is an integer number (185491957521).

Almost surely, 2^770505054309 is an apocalyptic number.

It is an amenable number.

770505054309 is a deficient number, since it is larger than the sum of its proper divisors (342446690817).

770505054309 is a wasteful number, since it uses less digits than its factorization.

770505054309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85611672707 (or 85611672704 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 45.

The spelling of 770505054309 in words is "seven hundred seventy billion, five hundred five million, fifty-four thousand, three hundred nine".